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计算机科学的挑战不仅在于创造新技术,还在于确保它们被道德和负责任地使用。
国君自以为神圣聪明,而不去咨询官吏,自以为国家安定强大,而不注重防守,周围的邻国图谋侵略他却不知道戒备。 
The more you know about yourself, the more patience you have for what you see in others.
If you’re not failing, you’re not pushing hard enough.
The only thing more dangerous than ignorance is arrogance.